Having caught up a bit, I am actually currently reading this for real. And the snow and cold is proving just the thing as summer is finally heating up around here. This is one of my favourite series so it's great to be catching up with it (courtesy of the N pile in my challenge).
From the Blurb:
One freezing night in Oslo, Christmas shoppers gather to listen to a Salvation Army street concert. An explosion cuts through the music, and a man in uniform falls to the ground, shot in the head at point blank range.